Atmel ARM-Based Evaluation Kit for SAM4S16C, 32-Bit ARM® Cortex® Microcontroller ATSAM4S-WPIR-RD ATSAM4S-WPIR-RD Data Sheet
Product codes
ATSAM4S-WPIR-RD
SAM4S Series [DATASHEET]
Atmel-11100G-ATARM-SAM4S-Datasheet_27-May-14
1174
Table 44-66.
SMC Read Signals - NCS Controlled (READ_MODE = 0)
Symbol
Parameter
Min
Max
Units
VDDIO Supply
1.8V
3.3V
1.8V
3.3V
NO HOLD Settings (NCS rd Hold = 0)
SMC
8
Data Setup before NCS High
20.7
18.4
—
—
ns
SMC
9
Data Hold after NCS High
0
0
—
—
ns
HOLD Settings (NCS rd Hold
≠ 0)
SMC
10
Data Setup before NCS High
16.8
14.5
—
—
ns
SMC
11
Data Hold after NCS High
0
0
—
—
ns
HOLD or NO HOLD Settings (NCS rd Hold
≠ 0, NCS rd Hold = 0)
SMC
12
A0 - A22 Valid before NCS High
(NCS rd setup +
NCS rd pulse)*
t
CPMCK
- 6.5
(NCS rd setup +
NCS rd pulse)*
t
CPMCK
- 6.3
—
—
ns
SMC
13
NRD Low before NCS High
(NCS rd setup +
NCS rd pulse -
NRD setup)*
t
CPMCK
- 5.6
(NCS rd setup +
NCS rd pulse - NRD
setup)* t
CPMCK- 5.4
—
—
ns
SMC
14
NCS Pulse Width
NCS rd pulse
length * t
CPMCK
-7.7
NCS rd pulse length
* t
CPMCK
- 6.7
—
—
ns